"The present canal has a total capacity of about three hundred and forty million tons a year that it can handle, that's the maximum capacity.
VOA: special.2011.08.08
We told you that phosphorous has 5 valence electrons plus 3 from each of the hydrogens, so we have a total of 8 valence electrons.
我告诉过你们磷有5个价电子,另外氢有3个,所以我们一共有8个价电子。
Then you can look at how this stacks up for a person that has a 200 calorie diet or a 2500 calorie diet, and it'll show things like total fat, cholesterol, sodium, and total carbohydrate.
最后是普通人的各种营养日建议摄取量,这是基于两千或两千五百卡膳食标准的,这里列出了脂肪总量,胆固醇,钠,和碳水化合物总量
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